[llvm] [LoopInterchange] Forbid interchange when the dependency is confused (PR #78533)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> #47259

Kindly write this as "Fixes ..." and move it to the last line of the message, so that the issue will be auto-closed.

https://github.com/llvm/llvm-project/pull/78533